(Sense of touch) put different objects in balloons and have the children guess what each one is. Then, open them up to see what it is. (Tie with elastics so it is easier to open.) To further the lesson, make a chart of prediction and result.
Sharks are so much better then humans, we have 6 senses! Sight, taste, touch, hearing, smell and electromagnetism. Sharks can sense movements of other fish through ampullae of Lorenzini, sensory organs located on our rostrum.